Istanbul to Viterbo: time difference
Viterbo is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 06:17 6:17 AM Viterbo 05:17 5:17 AM You –:–
06:17 6:17 AM
GMT+03:00 · UTC+3
☀️ 07:20 · 🌙 18:19
05:17 5:17 AM
Central European Summer Time · UTC+2
☀️ 07:29 · 🌙 18:25
·
−1 h
Viterbo is 1 h behind Istanbul.
When you, Istanbul and Viterbo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇮🇹 Viterbo
23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇮🇹 Viterbo |
|---|---|---|
| Local time | 06:17 | 05:17 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | GMT+03:00 | Central European Summer Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Istanbul | — | −1 h |
| IANA zone | Europe/Istanbul | Europe/Rome |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:20 | 07:29 |
| Sunset | 18:19 | 18:25 |
| Daylight | 10 h 59 min | 10 h 56 min |
| People on this clock | 15,701,602 | 67,173 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Viterbo: common questions
What is the time difference between Istanbul and Viterbo?
Viterbo is 1 hour behind: it uses UTC+2, while Istanbul is on UTC+3.
What time is it in Viterbo at the start of the working day in Istanbul?
The working day in Istanbul starts at 9:00 AM; in Viterbo it is 8:00 AM at that moment.
What time is it in Viterbo at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Viterbo it is 5:00 PM at that moment.
Is there a time when both Istanbul and Viterbo are at work?
Yes: from 10:00 AM to 6:00 PM in Istanbul (9:00 AM to 5:00 PM in Viterbo), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Viterbo?
Until 1:00 AM in Istanbul it is still the previous day in Viterbo. The other way round, from 11:00 PM in Viterbo it is already the next day in Istanbul.
Does the time difference between Istanbul and Viterbo change?
Yes. The clocks change only in Viterbo. From October 25, 2026, Viterbo will be 2 hours behind Istanbul.
